Home / 117,622,283.10-176,433,424.65-78,880,234.20

Finding the Fourth Proportional to 117,622,283.10, 176,433,424.65 and 78,880,234.20

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Solution

The fourth proportional to 117,622,283.10, 176,433,424.65 and 78,880,234.20 is: 118,320,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622,283.10 : 176,433,424.65 = 78,880,234.20 : x
  2. Step 2: Convert to fraction form
    117,622,283.10/176,433,424.65 = 78,880,234.20/x
  3. Step 3: Cross multiply
    117,622,283.10x = 176,433,424.65 × 78,880,234.20
  4. Step 4: Simplify right side
    117,622,283.10x = 13,917,109,857,100,054
  5. Step 5: Solve for x
    x = 13,917,109,857,100,054/117,622,283.10
  6. Step 6: Final answer
    x = 118,320,351.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.